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CBSP Exam Dumps - BTA Certified Blockchain Security Professional

Question # 4

Checkpointing is designed to protect against an attacker exploiting the mechanism by which blockchain resolves divergent chains

A.

True

B.

False

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Question # 5

Data subject to deletion procedures should be stored encrypted on-chain.

A.

True

B.

False

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Question # 6

Determining if a transaction is part of the distributed ledger is less computationally intensive in DAG-based solutions than in blockchain

A.

True

B.

False

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Question # 7

Which of the following blockchains does NOT use broadcast communications?

A.

Hyperledger

B.

Ethereum

C.

Corda

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Question # 8

Which of the following smart contract vulnerabilities can cause a smart contract's balances ledger to become incorrect? Select all that apply

A.

Arithmetic

B.

Unchecked Return Values

C.

Race Condition

D.

Reentrancy

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Question # 9

Which of the following blockchains does NOT tie real-world identity to public keys on the blockchain?

A.

Hyperledger

B.

Ethereurn

C.

Corda

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Question # 10

In which of the following attacks targeting Proof of Stake does an attacker create a divergent chain and race to make their chain longer than the real chain?

A.

Selfish Mining Attack

B.

Long-Range Attack

C.

Double-Spend Attack

D.

51% Attack

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Question # 11

Digital signatures provide confidentially, integrity , and non-repudiation.

A.

True

B.

False

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Question # 12

From a regulatory perspective, which of the following may be the most complicated issue around demonstrating proper data management?

A.

Lack of blockchain support for encryption

B.

Use of distributed storage

C.

Lack of access controls

D.

Decentralized control of blockchain

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Question # 13

Malicious smart contracts can potentially infect the nodes running the blockchain software

A.

True

B.

False

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